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package puzzle_mch;

import java.util.Comparator;
import java.util.PriorityQueue;


/**
 *
 * @author Maria
 */
public class A_search {
    private PriorityQueue<Node> frontier = new PriorityQueue<Node>  () ;
      //  public int compare(A_tree A_tree1, A_tree A_tree2) {
        //    return (A_tree1.getCost()== A_tree2.isEmergencyCase()) ? (Integer.valueOf(patient1.getId()).compareTo(patient2.getId()))
                                                                             // : (patient1.isEmergencyCase() ? -1 : 1);
        
    
// The heuristic func uses manhattan distance     
//public void heuristic_func_puzz ()
    
//{}    
}

